All supported captchas

reCAPTCHA v3popular

$1.00/1k

~1s

Invisible score-based captcha. Returns a 0.0–1.0 risk score token.

reCAPTCHA v2 Invisible

$0.80/1k

~1s

Triggered programmatically, no checkbox shown to the user.

GeeTest v4

$1.00/1k

1–3s

Behavioral analysis with slide, icon, or AI challenge types.

FriendlyCaptcha

$0.30/1k

~0.8s

Privacy-friendly PoW captcha. v1 supported.

mCaptchafast

$0.20/1k

~0.4s

Open-source self-hostable SHA-256 proof-of-work captcha.

Cap.jscheap

$0.15/1k

~0.5s

Minimal open-source PoW captcha. Pass the API endpoint directly.

PrivateCaptcha

$0.25/1k

~0.6s

Privacy-first Blake2b PoW captcha with no user tracking.

captcha.eu

$0.20/1k

~0.8s

GDPR-compliant European captcha. No cookies, no tracking.

TrustCaptchacheap

$0.15/1k

~0.6s

Lightweight privacy-first SHA-256 PoW captcha.

Swetrixcheapest

$0.10/1k

~0.2s

Ultra-fast open-source PoW. Cheapest option available.

Myra

$0.30/1k

~4s

Enterprise WAF captcha from Myra Security. Argon2id PoW.

Altchacheapest

$0.10/1k

~0.2s

Open-source self-hostable SHA-256/384/512 PoW captcha.